Adaptations

ADAPTATIONS ¢Skin wile, eye colour & hair color are all evidence of natural selection at work, as hu humanitys have adapted in cast with their environments. Even your body type may be an limiting to environmental stresses. ¢Bergmanns Rule - animals adapted to nippyer climates have larger, more tender bodies to preserve passionateness, and animals adapted to warm climates will have short(p) bodies or longer bodies for better thermo-regulation. ¢Allens Rule - animals in chilliness climates have short, stout limbs in order to conserve combust, catch animals adapted to hot climates have long, slender limbs to dissipate heat faster. EVOLUTIONARY CONCEPTS ¢Species - a population of organisms which is reproductively distinct from similar populations. ¢Microevolution - short-run evolutionary trends that occur within a species e genuinelywhere comparatively few generations. ¢Macroevolution - long-term evolutionary changes that take place oer millions of y ears. ¢Anagenesis - the slow, gradual transformation of a species over time. ¢Punctuated Equilibrium - guessing that most evolutionary change has taken place in short bursts. DARWINIAN FITNESS ¢Darwinian Fitness - a measure of an organisms ability to compete in the struggle for man ¢Fitness is related to an organisms ability: ¢ 1. to survive long well-favoured to produce offspring ¢ 2. economy of energy in omit activities ¢ 3. success in attracting the most mates ¢ 4. success in attracting the best mates ¢ 5. number of offspring who live to couch ¢ 6.

success in the reproduction of close relati ves               Â!  Â Â  PARENTING STRATEGIES ¢K-strategy - a motherly care strategy where reproduction usually consists of a actually small number of offspring per berthing episode, characterized by a stir parental investment in the care of young and their champaign to adulthood. ¢R-strategy - a care strategy where reproduction usually consists of a high number of offspring per birthing episode, characterized by really low parental investment in the care of the young.                   ... If you indispensability to get a full essay, order it on our website: BestEssayCheap.com

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